:root {
  --color-primary: #1f4e79;
  --color-primary-dark: #0f2742;
  --color-accent: #2563eb;

  --color-text: #2b2b2b;
  --color-text-dark: #334155;
  --color-text-muted: #64748b;

  --color-bg: #ffffff;
  --color-bg-soft: #f4f6f8;

  --color-border: #e6e8ec;
  --color-border-soft: #dde3ea;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;

  --content-max-width: 1220px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;

  font-family:
    "Hiragino Sans",
    "Noto Sans JP",
    sans-serif;

  color: #2b2b2b;

  line-height: 1.85;

  background: #ffffff;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: #1f4e79;
  text-decoration: none;
}

a:hover {
  opacity: 0.85;
}